Ready to transform from a rookie fitness enthusiast to a beast in just 12 weeks? Follow this guide. Muscle building should ...

Pilates core exercises are fantastic for developing a strong and stable core. They not only work the superficial muscles (think: six-pack abs), but also the deep stabilizing muscles, which can lead to ...

Runners tend to think of instability as a condition to avoid or a problem to solve, but adding a dose of wobbliness to your workout is actually beneficial. And one of the best ways to (literally) ...

All you need is a resistance band for these balance-boosting exercises ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. “Right to the core,” “core values,” and “hardcore.” These little idioms highlight just how vital the concept of “core” is in our lives ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. While plenty of ...